There is a family of six members A, B, C, D, E and F. They are lawyer, doctor, teacher, salesman, engineer and accountant not necessarily in that order. There are two married couples in the family. D, the salesman, is married to the lady teacher. The doctor is married to the lawyer. F, the accountant, is the son of B and brother of E. C, the Lawyer, is the daughter-in-la.w of A. E is the unmarried engineer. A is ihe grandmother of F.
Which of the following is one of the couples?

Options

A. F and D
B. D and B
C. E and A
D. None of these

Answer

D

Explanation

E is the unmarried Engineer. C is the daughter-in-law of A, who is the grandmother of F, means C is the mother of F. But Fis the son of B. So, B is C.s husband. But C, the Lawyer, is married to the Doctor, Thus, C, the Lawyer, is the wife of B. the Doctor F, the Accountant, will be the son of B and C. E is the unmarried Engineer. So, the other married couple can be that of grandmother of F, i.e.A, and D. But D, the Salesman, is married to the Lady Teacher. So, D, the salesman, is the grandfather of F, father of B and husband of A, the Lady Teacher.
The two couples are C and B, and D and A, none of which is among the choices.